1.This Crankshaft Positioning Tool Fit for Ford 1993 Newer 4.2L/4.6L 2-valve, 4.6L 4-valve 5.4L/6.8L V8 Engines Similar to Rotunda 303-448, T93P-6303-A, 6024 & 525219
2.These engines are not free-wheeling, meaning that if the crankshaft is rotated during timing chain installation (jumped timing), it can cause significant damage to the pistons and valves if the cylinder heads are not removed.
3.This tool is used to lock the crankshaft in place. When the crankshaft is rotated so that the slot in the handle locks into the engine cover alignment dowel pin, the engine is at TDC.
4.Fabricated from structural steel and black oxide coated for a long lasting finish.
5.Must-have tool for timing chain installation and adjustment!